DUPLO WC 387 83 cm

When a low installation height is a critical factor in your selection criteria, this concealed cistern emerges as the optimal solution, offering the capability for both top and front flushing activation, whether mechanical or pneumatic, along with the option to use cleaning tablets.

Product number: 4060453003
EAN: 8711778213654


  • For pre-wall installation
  • Supporting, blue powder coated WC element, square profile 40x40 mm with pre-assembled SCHWAB 387 UP concealed cistern
  • Top or frontal flushing, dual flushing (3/6 L)
  • Flush volume adjustable between 6 and 7.5 L
  • Pre-assembled wall brackets and adjustable feet (0-200 mm)
  • Water connection – on the left side
  • Fully insulated against condensation
  • Quiet Hydraulic Fill valve (Noise class 1 ISO 3822)
  • Suitable for pneumatic and mechanical flushing plates
  • Depth adjustable drain elbow (+/-20 mm)
  • Concealed cistern equipped with pre-installed stop valve – on the left side
  • Water connection 1/2”
  • PE drain elbow Ø 90 mm with a gasket
  • Eccentric PE adapter Ø 90 / 110 mm with a gasket
  • Complete installation and fixing materials
  • Flushing plate needs to be ordered separately
  • Possible installation of flushing plates: GAIOS, THIRA
  • EN 14055 - CL1 - 6 - NL I - VR I

Adjustable depth: Yes
Adjustable flushing water quantity: Yes
Adjustable height: Yes
Adjustable toilet height: No
Adjustable width: No
Depth: 140 to 200 mm
Flushing: Two quantities
Flushing water quantity: 3 to 7.5 l
Frame suitable for wc with offset >60cm: Yes
Frame suitable for wc with offset >60cm: Yes
Height: 830 to 1030 mm
Load capacity >=400 kg according to EN 997: Yes
Material: Steel
Material flushing reservoir: Plastic
Outer pipe diameter drainage: 110 mm
Outer pipe diameter tap water: 20.96 mm
Programmable with remote control: No
Quality class flushing reservoir: Polypropylene (PP)
Reservoir type: 387
Self-bearing construction: Yes
Series: 387
Size of tap water connection: 1/2 inch
Spacer under reservoir: No
Suitable for drywall: Yes
Suitable for electrical operation: Yes
Suitable for front operation: Yes
Suitable for infrared operation: No
Suitable for manual operation: Yes
Suitable for pneumatic operation: Yes
Suitable for radar operation: No
Suitable for sanitary installation wall system: Yes
Suitable for shelf operation: Yes
Suitable for shower toilet: No
Suitable for solid wall: Yes
Surface protection: Coated
Tap water connection: External thread
Warranty: 10 years
Width: 380 to 380 mm
With anti-condensation insulation: Yes
With bracket suitable for floor mounting: No
With bracket suitable for high wall mounting: No
With bracket suitable for low wall mounting: No
With contact sound insulation set: Yes
With control panel: No
With drainage bend: Yes
With front cladding: No
With inlet and outlet fittings: Yes
With mounting material for the element: Yes
With mounting material for the toilet: Yes
With stop valve: Yes

Product number: Description Image
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8050801525 Flush valve
8050801525FM Flush valve with rubber seal
8050801522 Flush valve (DFF)
1411988440 Flush valve rubber gasket 28 x 65 x 3 mm, black
8050390037 Bag of rubber gaskets for flush valve 28 x 65 x 3 (5 pc.)
8050887175 Tightening nut
8050887119 Cistern lid, cisterns XT, 387, 6052
8050887079 Bridge for fill valve
8050390031 Clamp with control hooks, cisterns XT, 387, 6052, mechanical
8050390032 Clamp with control hooks, pneumatic
8050390052 DFF clamp with control hooks
8050390051 SF clamp with control hocks
8050390111 Set of mounting and adjusting pins XT/387 mechanical
8050390111FM Mounting and regulation pin set for DUO plates, cisterns XT, 387, 6052
8050887097 Clamp for mounting the drain elbow
8050887169 Inspection opening protection, upper/front
8050887349 Flush pipe
8050887355 Flush pipe with tongue
8050390061 Set of rubber seals for 90 mm drain pipe and drain elbow
8050390090 Discharge elbow Ø 90/90 mm
8050390091 Adapter reduction piece Ø 90/110 mm
8050390080 WC connection kit Ø 90 mm, L=230 mm
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8050802332 Water connection flexible hose
8050887104 Cover